Handle stdin/stdout/stderr on Windows

runtime/bin/socket_linux.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <arpa/inet.h>
 #include <errno.h>
 #include <netdb.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ skipping 70 matching lines @@
   socklen_t size = sizeof(socket_address);
   if (getsockname(fd, reinterpret_cast<struct sockaddr *>(&socket_address),
                   &size)) {
     fprintf(stderr, "Error getsockname: %s\n", strerror(errno));
     return 0;
   }
   return ntohs(socket_address.sin_port);
 }
 
 
+intptr_t Socket::GetStdioHandle(int num) {
+  return static_cast<intptr_t>(num);
+}
+
+
 intptr_t ServerSocket::CreateBindListen(const char* host,
                                   intptr_t port,
                                   intptr_t backlog) {
   intptr_t fd;
   struct sockaddr_in server_address;
 
   fd = socket(AF_INET, SOCK_STREAM, 0);
   if (fd < 0) {
     fprintf(stderr, "Error CreateBind: %s\n", strerror(errno));
     return -1;
@@ skipping 28 matching lines @@
   struct sockaddr clientaddr;
   socklen_t addrlen = sizeof(clientaddr);
   socket = accept(fd, &clientaddr, &addrlen);
   if (socket < 0) {
     fprintf(stderr, "Error Accept: %s\n", strerror(errno));
   } else {
     FDUtils::SetNonBlocking(socket);
   }
   return socket;
 }